Gift Card


Give the gift of health! This gift card can be used for any test kit we offer.


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Give the gift of health! Send an e-gift card to someone. This gift card can be used towards any test kit we offer.


Your gift card will be emailed to the recipients entered in the “To” field along with an optional custom message. You can also schedule when you want your gift card delivered.


$84 covers the cost of 1 Vitamin D Home Test Kit (including US shipping).
$124 covers the cost of 1 Vitamin D & Omega-3 Index Test Kit (including US shipping).
$317 covers the cost of 1 Full Immune Boost Panel Test Kit (including US shipping).

Questionnaire & Citizen Science

Becoming a participant of GrassrootsHealth means that you are joining thousands of people in collaborating with us on nutrient research. Citizen science welcomes everyone’s participation in the discovery and sharing of scientific knowledge. As a citizen scientist, you’ll help us gain a better understanding of the role of nutrients in health and disease, and use the results to help inform public health officials to create change. Additionally, you can use your results to make informed decisions about nutrients that affect your health.

Here’s to the power of citizen science!

GrassrootsHealth could provide testing without asking you to fill out a questionnaire, but without that data we would have no way of measuring an effect. It would be a public service, especially back in 2009 when we started and it was hard to get a doctor to order a vitamin D test. But we founded GrassrootsHealth for more than testing. We founded GrassrootsHealth based on science, by first gathering together over 40 vitamin D researchers to form a panel of experts, then having those researchers come to a consensus on what the optimal vitamin D blood levels should be for general good health. The consensus they reached was for vitamin D levels to be in the range of 40-60 ng/ml (100-150 nmol/L). By asking about health, nutrient supplementation, and other exposures we can connect each participant’s blood levels with their lifestyle and health status and help guide scientific answers to personal questions. In short, your data matters!